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K 50 SQ - 8 Ohm

Art. No. 2897

5 cm (2") miniature speaker with plastic diaphragm, square metal basket with 4 mounting holes and foam gasket. 2.8 x 0.5 mm contact pin. Thanks to its compact dimensions, suitable for signal output in machines and other equipment where space is at a premium.

*) IP protection class for front side when built into a sealed enclosure

Typical applications

  • Voice and signal output in machines and other equipment both indoors and outdoors

Attributes

  • Metal basket
  • Plastic membrane (mylar)
  • Functionally at cold according to EN 60068-2-1/EN 50155
*Gross price for private customers. Industrial prices are available on request.
Technical Data
Sketch
Amplitude & Impedance Frequency
Directivity pattern
Rated power 2 W
Maximum power 3 W
Nominal impedance Z 8 Ohm
Frequency response 250–10000 Hz
Mean sound pressure level 83 dB (1 W/1 m)
Opening angle (-6 dB) 180°/4000 Hz
Excursion limit +/−1 mm
Resonance frequency fs 480 Hz
Height of front pole-plate 2 mm
Voice coil diameter 14 mm
Height of winding 3 mm
Cutout diameter 45 mm
Net weight 0.05 kg
D.C. resistance Rdc 7.3 Ohm
Mechanical Q factor Qms 6.42
Electrical Q factor Qes 7.32
Total Q factor Qts 3.42
Equivalent volume Vas 0.06 l
Effective piston area Sd 12.5 cm²
Dynamically moved mass Mms 0.4 g
Force factor Bxl 1.12 T m
Connections 2.8 x 0.5 mm (+)/2.8 x 0.5 mm (-)
Protective system IP 65
Temperature range −40 ... 80 °C

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